GRUNDFOS ALLDOS Oxiperm C 164 Series Operation And Service Manual page 69

Oxiperm 164 150-2500 g en
15.710010-V5.0
Setting the amount of bypass water for batch mode
l Press "F2" to switch to the "Bypass Water" menu
The display reads: 2 Bypass water
target:
actual:
1 limit:
The target value is calculated and displayed on the basis of the entered concentration
and size of the installation.
In this menu, the bypass water (actual value) must be set to the required amount
of water (target value).
You can change the amount of water using the dosing ball valve at the back of the
system.
● Press "F2" to switch on the bypass water (solenoid valve).
● Using the dosing ball valve to match the actual value to the target value.
ATTENTION! Open dosing ball valve carefully and adjust actual value
to target value from bottom direction only. If dosing ball
valve is opened too much actual value can differ from
target (true) bypass water amount.
NOTE If it is difficult to set the water amount using the dosing
ball valve, slightly loosen both screws on the valve
(pos. 1), set the water amount, and then retighten the
screws. Check the ball valve is securely sealed.
● Press "F2" to switch off the bypass water.
Changing the limit
● Press "F1" to switch to the input field - 50 / + 20 %
● The value is entered by pressing the "Up" or "Down" buttons (changing the
number) and by pressing the "Arrow left" and "Arrow right" buttons (chan-
ging the input position).
To switch from -50 to +20, press "F1".
● Press "Enter" to confirm the entry
● Press "Escape" to return to the "Startup Mode" menu.
NOTE The amount of bypass water displayed may vary
slightly. This is due to the processing of the signals by
the SPS control, and is not significant. The variations
are always within a certain range.
NOTE The bypass water must later be checked again in
automatic mode or in manual mode, as the pressure
conditions in the system may change as a result of
further operation of the dosing pumps.
<off>
XXX l/h
YYY l/h
- 50 / + 20 %
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